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improved wrapper check to avoid crashes on virtual methods while python object gets deleted...
improved wrapper check to avoid crashes on virtual methods while python object gets deleted git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@245 ea8d5007-eb21-0410-b261-ccb3ea6e24a9

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CustomObjects.h
149 lines | 4.4 KiB | text/x-c | CLexer
#ifndef _PYCUSTOMOBJECTS_H
#define _PYCUSTOMOBJECTS_H
/*
*
* Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
* 28359 Bremen, Germany or:
*
* http://www.mevis.de
*
*/
//----------------------------------------------------------------------------------
/*!
// \file CustomObjects.h
// \author Florian Link
// \author Last changed by $Author: florian $
// \date 2007-4
*/
//----------------------------------------------------------------------------------
#include "PythonQt.h"
#include "PythonQtCppWrapperFactory.h"
#include <QObject>
// declare our own custom object
class CustomObject {
public:
CustomObject() {}
CustomObject(const QString& first, const QString& last) { _firstName = first; _lastName = last; }
QString _firstName;
QString _lastName;
};
// add a decorator that allows to access the CustomObject from PythonQt
class CustomObjectWrapper : public QObject {
Q_OBJECT
public slots:
// add a constructor
CustomObject* new_CustomObject(const QString& first, const QString& last) { return new CustomObject(first, last); }
// add a destructor
void delete_CustomObject(CustomObject* o) { delete o; }
// add access methods
QString firstName(CustomObject* o) { return o->_firstName; }
QString lastName(CustomObject* o) { return o->_lastName; }
void setFirstName(CustomObject* o, const QString& name) { o->_firstName = name; }
void setLastName(CustomObject* o, const QString& name) { o->_lastName = name; }
};
//------------------------------------------------------------------------------------------------
// alternative: we create a wrapper factory, which creates a wrapper object for each CPP instance:
//------------------------------------------------------------------------------------------------
// declare our own custom object
class CustomObject2 {
public:
CustomObject2() {}
CustomObject2(const QString& first, const QString& last) { _firstName = first; _lastName = last; }
QString _firstName;
QString _lastName;
};
// add a decorator that allows to access the CustomObject from PythonQt
class CustomObject2Wrapper : public QObject {
Q_OBJECT
public:
CustomObject2Wrapper(CustomObject2* obj) { _ptr = obj; }
public slots:
// add access methods
QString firstName() { return _ptr->_firstName; }
QString lastName() { return _ptr->_lastName; }
void setFirstName(const QString& name) { _ptr->_firstName = name; }
void setLastName(const QString& name) { _ptr->_lastName = name; }
private:
CustomObject2* _ptr;
};
// additional constructor/destructor for CustomObject2 (optional)
class CustomObject2Constructor : public QObject {
Q_OBJECT
public slots:
// add a constructor
CustomObject2* new_CustomObject2(const QString& first, const QString& last) { return new CustomObject2(first, last); }
// add a destructor
void delete_CustomObject2(CustomObject2* o) { delete o; }
};
// a factory that can create wrappers for CustomObject2
class CustomFactory : public PythonQtCppWrapperFactory
{
public:
virtual QObject* create(const QByteArray& name, void *ptr) {
if (name == "CustomObject2") {
return new CustomObject2Wrapper((CustomObject2*)ptr);
}
return NULL;
}
};
#endif